Commit | Line | Data |
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250f363a EA |
1 | # include <stdio.h> |
2 | # include <sgtty.h> | |
3 | # include <signal.h> | |
4 | ||
e9e8c060 | 5 | static char SccsId[] = "@(#)cpr.c 1.3 %G%"; |
250f363a EA |
6 | |
7 | /* | |
8 | ** CPR -- print on concept 108 | |
9 | ** | |
10 | ** This filter arranges to output onto a printer connected | |
11 | ** to a Concept 108 terminal. It probably works on other | |
12 | ** models in the Concept 100 series also. | |
13 | ** | |
14 | ** Usage: | |
15 | ** cpr [file ...] | |
16 | */ | |
17 | ||
18 | struct sgttyb tbuf; | |
e9e8c060 | 19 | int SysLine; |
250f363a EA |
20 | |
21 | main(argc, argv) | |
22 | int argc; | |
23 | char **argv; | |
24 | { | |
25 | register char *p; | |
26 | extern cleanterm(); | |
e9e8c060 | 27 | extern char *getenv(); |
250f363a EA |
28 | |
29 | /* be nice on interrupts, etc. */ | |
30 | signal(SIGINT, cleanterm); | |
31 | ||
32 | /* set the terminal to output to printer */ | |
e9e8c060 EA |
33 | p = getenv("SYSLINE"); |
34 | if (p != NULL) | |
35 | SysLine = atoi(p); | |
250f363a EA |
36 | setupterm(); |
37 | ||
38 | /* print the appropriate files */ | |
39 | if (argc < 2) | |
40 | copyfile(); | |
41 | else | |
42 | { | |
43 | while (--argc > 0) | |
44 | { | |
45 | if (freopen(*++argv, "r", stdin) == NULL) | |
46 | perror(*argv); | |
47 | else | |
48 | copyfile(); | |
49 | } | |
50 | } | |
51 | ||
52 | /* reset terminal to a nice state */ | |
53 | cleanterm(); | |
54 | } | |
55 | ||
56 | copyfile() | |
57 | { | |
58 | char buf[200]; | |
2f31d114 EA |
59 | register char *p; |
60 | extern char *index(); | |
61 | ||
250f363a | 62 | while (fgets(buf, sizeof buf, stdin) != NULL) |
2f31d114 EA |
63 | { |
64 | p = index(buf, '\n'); | |
65 | if (p == NULL) | |
66 | continue; | |
67 | *p = '\r'; | |
68 | printf("\033 5%s\033|", buf); | |
69 | if (getack() < 0) | |
70 | { | |
71 | fprintf(stderr, "Lost printer\n"); | |
72 | cleanterm(); | |
73 | } | |
74 | fputs("\n", stdout); | |
75 | } | |
250f363a EA |
76 | } |
77 | ||
78 | setupterm() | |
79 | { | |
80 | int oldflags; | |
81 | ||
82 | if (gtty(1, &tbuf) < 0) | |
83 | { | |
84 | perror("cpr: stdout"); | |
85 | exit(1); | |
86 | } | |
87 | oldflags = tbuf.sg_flags; | |
88 | tbuf.sg_flags &= ~ECHO; | |
89 | tbuf.sg_flags |= CBREAK; | |
90 | stty(1, &tbuf); | |
91 | tbuf.sg_flags = oldflags; | |
e9e8c060 EA |
92 | if (SysLine > 0) |
93 | kill(SysLine, SIGSTOP); | |
250f363a EA |
94 | } |
95 | ||
96 | cleanterm() | |
97 | { | |
250f363a EA |
98 | resetmodes(); |
99 | exit(0); | |
100 | } | |
101 | ||
102 | getack() | |
103 | { | |
104 | char buf[1]; | |
105 | ||
106 | fflush(stdout); | |
107 | if (read(2, buf, 1) <= 0 || buf[0] != '\006') | |
108 | return (-1); | |
109 | return (0); | |
110 | } | |
111 | ||
112 | resetmodes() | |
113 | { | |
114 | stty(1, &tbuf); | |
e9e8c060 EA |
115 | if (SysLine > 0) |
116 | kill(SysLine, SIGCONT); | |
250f363a | 117 | } |